Home / 5,080.96-7,011.26-2,956.40

Finding the Fourth Proportional to 5,080.96, 7,011.26 and 2,956.40

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Solution

The fourth proportional to 5,080.96, 7,011.26 and 2,956.40 is: 4,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.96 : 7,011.26 = 2,956.40 : x
  2. Step 2: Convert to fraction form
    5,080.96/7,011.26 = 2,956.40/x
  3. Step 3: Cross multiply
    5,080.96x = 7,011.26 × 2,956.40
  4. Step 4: Simplify right side
    5,080.96x = 20,728,076.60
  5. Step 5: Solve for x
    x = 20,728,076.60/5,080.96
  6. Step 6: Final answer
    x = 4,079.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.